:root {
  --documentHeight: 800px;
  --keyboardHeight: 385px;
  --keyboardButton: 40px;
  --keyboardLetterSpacing: 5px;
  --keyboardNumberSpacing: 5px;
  --buttonHeight: 40px;
  --fontSize: 26px;
}

html,
body {
  max-width: 100%;
  max-height: 100%;
  overflow: hidden;
}

body {
  width: 100%;
  height: var(--documentHeight);
  margin: 10px;
}

label {
  font-size: var(--fontSize);
  font-weight: 600;
  margin-bottom: 0;
}

.vKeyboard {
  background-color: #000;
  position: absolute;
  height: var(--keyboardHeight);
  top: calc(var(--documentHeight) - var(--keyboardHeight));
  width: inherit;
  overflow: hidden;
}

.vKeyboard-container {
  margin: 0px 20px;
}

.vKeyboard-numbers {
  margin-right: var(--keyboardLetterSpacing);
}

.vKeyboard-spacer {
  width: 50px;
}

.vKeyboardRow {
  margin-top: var(--keyboardLetterSpacing);
  margin-bottom: var(--keyboardLetterSpacing);
}

.vKeyboard-offsetRow1 {
  margin-left: 0px;
  margin-right: var(--keyboardButton);
}
.vKeyboard-offsetRow2 {
  margin-left: calc(var(--keyboardButton) / 2);
}
.vKeyboard-offsetRow3 {
  margin-left: var(--keyboardButton);
}

.vKeyboard-letter,
.vKeyboard-number,
.vKeyboard-symbol,
.vKeyboard-enter,
.vKeyboard-return {
  color: #fff;
  font-size: 45px;
  height: var(--keyboardButton);
  width: var(--keyboardButton);
  border-radius: 6px;
  margin: 0 0;
}

.vKeyboard-letter,
.vKeyboard-number {
  background-color: #4e4e4e;
  box-shadow: 0 0 0px 0 #4e4e4e;
  border: solid 0px #4e4e4e;
}

.vKeyboard-letter {
  margin-left: var(--keyboardLetterSpacing);
}

.vKeyboard-number {
  margin-left: var(--keyboardNumberSpacing);
}

.vKeyboard-symbol,
.vKeyboard-return {
  background-color: #3a3a3a;
  box-shadow: 0 0 0px 0 #3a3a3a;
  border: solid 0px #3a3a3a;
  margin-left: 0px;
}

.vKeyboard-double {
  width: calc((var(--keyboardButton) * 2) + var(--keyboardNumberSpacing));
}

.vKeyboard-pad {
  margin-left: var(--keyboardNumberSpacing);
}

.vKeyboard-return {
  margin-left: 0;
}

.vKeyboard-enter {
  background-color: #9cd9cd;
  box-shadow: 0 0 0px 0 #9cd9cd;
  border: solid 0px #9cd9cd;
  color: #fff;
  height: calc(
    (var(--keyboardButton) * 3) + (var(--keyboardLetterSpacing) * 2)
  );
}

.vKeyboard-space {
  margin-left: 20px;
  width: 80px;
}

.vKeyboard-space-character {
  position: relative;
  top: 15px;
  pointer-events: none;
}
